ISL4221EIRZ Intersil, ISL4221EIRZ Datasheet - Page 4

• Manufacturer Part Number: ISL4221EIRZ
• Description: IC TXRX 1TX/1RX 3V RS-232 16-QFN
• Manufacturer: Intersil
• Type: Transceiverr

Specifications of ISL4221EIRZ

• Number Of Drivers/receivers: 2/2
• Protocol: RS232
• Voltage - Supply: 2.7 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 16-VQFN Exposed Pad, 16-HVQFN, 16-SQFN, 16-DHVQFN
• Package: 16QFN EP
• Data Transmission Topology: Point-to-Point
• Interface Standards: ElA/TIA-232|RS-232|V.24|V.28
• Data Rate: 0.5 Mbps
• Function: Line Transmitter/Receiver
• Number Of Transmitters: 1
• Transmitter Signal Type: Single-Ended
• Transmitter Communication Type: RS-232
• Driving Mode: 3-State
• Typical Single Supply Voltage: 3.3|5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operating Circuits
LOGIC LEVELS
TTL/CMOS
4
TTL/CMOS
LEVELS
LOGIC
+3.3V
+3.3V
0.1µF
0.1µF
R1
R2
ISL3232E, ISL4221E, ISL4223E
0.1µF
0.1µF
R1
C
C
T1
T2
OUT
OUT
1
2
C
C
T1
OUT
IN
IN
1
2
IN
+
+
+
0.1µF
+
+
+
20
11
10
13
19
12
16
15
10
0.1µF
2
3
4
8
2
3
4
9
7
FORCEON
C1+
C1-
C2+
C2-
EN
FORCEON
C1+
C1-
C2+
C2-
EN
ISL4221E
ISL4223E
GND
GND
V
V
R
R
R
CC
CC
1
2
1
T
T
T
13
17
FORCEOFF
FORCEOFF
16
1
12
1
2
INVALID
INVALID
5kΩ
5kΩ
5kΩ
V+
V+
V-
V-
1
5
11
6
14
8
1
5
15
6
14
7
18
9
+ C
T1
R1
TO POWER
CONTROL LOGIC
+ 0.1µF
+
TO POWER
CONTROL LOGIC
+
0.1µF
C
V
OUT
C
0.1µF
C
0.1µF
IN
T1
T2
R1
R2
V
3
4
CC
3
4
CC
OUT
OUT
IN
IN
RS-232
LEVELS
RS-232
LEVELS
May 13, 2010
FN6045.6